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<FONT color="green">001</FONT>    package org.hackystat.ambientdevice.trigger;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.Collections;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.List;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.logging.Logger;<a name="line.5"></a>
<FONT color="green">006</FONT>    import javax.xml.datatype.DatatypeConstants;<a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.xml.datatype.XMLGregorianCalendar;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.hackystat.ambientdevice.server.configuration.jaxb.Project;<a name="line.8"></a>
<FONT color="green">009</FONT>    import org.hackystat.sensorbase.client.SensorBaseClient;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.hackystat.sensorbase.client.SensorBaseClientException;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.hackystat.sensorbase.resource.sensordata.jaxb.SensorData;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.hackystat.sensorbase.resource.sensordata.jaxb.SensorDataIndex;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.hackystat.sensorbase.resource.sensordata.jaxb.SensorDataRef;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.hackystat.utilities.tstamp.Tstamp;<a name="line.14"></a>
<FONT color="green">015</FONT>    <a name="line.15"></a>
<FONT color="green">016</FONT>    /**<a name="line.16"></a>
<FONT color="green">017</FONT>     * Trigger that detect latest commit of a given project.<a name="line.17"></a>
<FONT color="green">018</FONT>     * <a name="line.18"></a>
<FONT color="green">019</FONT>     * @author Shaoxuan Zhang<a name="line.19"></a>
<FONT color="green">020</FONT>     *<a name="line.20"></a>
<FONT color="green">021</FONT>     */<a name="line.21"></a>
<FONT color="green">022</FONT>    public class CommitTrigger implements HackystatTrigger {<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>      /** the project to monitor. */<a name="line.24"></a>
<FONT color="green">025</FONT>      private Project project;<a name="line.25"></a>
<FONT color="green">026</FONT>      /** timestamp of the last commit. */<a name="line.26"></a>
<FONT color="green">027</FONT>      private XMLGregorianCalendar lastCommitTimestamp = Tstamp.makeTimestamp();<a name="line.27"></a>
<FONT color="green">028</FONT>      /** the maximum days to lookback for valid data. */<a name="line.28"></a>
<FONT color="green">029</FONT>      public static final int MAX_LOOKBACK_COUNT = 30;<a name="line.29"></a>
<FONT color="green">030</FONT>      /** The logger for logging. */<a name="line.30"></a>
<FONT color="green">031</FONT>      private Logger logger = Logger.getLogger("org.hackystat.ambientdevice");<a name="line.31"></a>
<FONT color="green">032</FONT>      <a name="line.32"></a>
<FONT color="green">033</FONT>      /**<a name="line.33"></a>
<FONT color="green">034</FONT>       * Construct an instance pointing to the given project.<a name="line.34"></a>
<FONT color="green">035</FONT>       * @param project the given project.<a name="line.35"></a>
<FONT color="green">036</FONT>       */<a name="line.36"></a>
<FONT color="green">037</FONT>      public CommitTrigger(Project project) {<a name="line.37"></a>
<FONT color="green">038</FONT>        this.project = project;<a name="line.38"></a>
<FONT color="green">039</FONT>      }<a name="line.39"></a>
<FONT color="green">040</FONT>      <a name="line.40"></a>
<FONT color="green">041</FONT>      /**<a name="line.41"></a>
<FONT color="green">042</FONT>       * Check if there is new commit.<a name="line.42"></a>
<FONT color="green">043</FONT>       * @return true if there is new commit, otherwise false.<a name="line.43"></a>
<FONT color="green">044</FONT>       * @throws Exception if errors occur.<a name="line.44"></a>
<FONT color="green">045</FONT>       */<a name="line.45"></a>
<FONT color="green">046</FONT>      public boolean activate() throws Exception {<a name="line.46"></a>
<FONT color="green">047</FONT>        logger.fine("Commit Trigger: Updating.");<a name="line.47"></a>
<FONT color="green">048</FONT>        String host = this.project.getHost();<a name="line.48"></a>
<FONT color="green">049</FONT>        String user = this.project.getUsername();<a name="line.49"></a>
<FONT color="green">050</FONT>        String password = this.project.getPwd();<a name="line.50"></a>
<FONT color="green">051</FONT>        <a name="line.51"></a>
<FONT color="green">052</FONT>        if (!SensorBaseClient.isHost(host)) {<a name="line.52"></a>
<FONT color="green">053</FONT>          logger.warning("Commit Trigger: has to be a SensorBase host for this trigger.");<a name="line.53"></a>
<FONT color="green">054</FONT>          return false;<a name="line.54"></a>
<FONT color="green">055</FONT>        }<a name="line.55"></a>
<FONT color="green">056</FONT>        SensorBaseClient client = new SensorBaseClient(host, user, password);<a name="line.56"></a>
<FONT color="green">057</FONT>        try {<a name="line.57"></a>
<FONT color="green">058</FONT>          client.authenticate();<a name="line.58"></a>
<FONT color="green">059</FONT>        }<a name="line.59"></a>
<FONT color="green">060</FONT>        catch (SensorBaseClientException e) {<a name="line.60"></a>
<FONT color="green">061</FONT>          logger.warning("Commit Trigger: Cannot authenticate the user.");<a name="line.61"></a>
<FONT color="green">062</FONT>          return false;<a name="line.62"></a>
<FONT color="green">063</FONT>        }<a name="line.63"></a>
<FONT color="green">064</FONT>        XMLGregorianCalendar endTime = Tstamp.makeTimestamp();<a name="line.64"></a>
<FONT color="green">065</FONT>        XMLGregorianCalendar startTime = Tstamp.incrementDays(endTime, -1);<a name="line.65"></a>
<FONT color="green">066</FONT>        logger.fine("Commit Trigger: Requesting index: " + user + " " + project);<a name="line.66"></a>
<FONT color="green">067</FONT>        SensorDataIndex index = client.getProjectSensorData(user, this.project.getProjectName(),<a name="line.67"></a>
<FONT color="green">068</FONT>            startTime, endTime, "Commit");<a name="line.68"></a>
<FONT color="green">069</FONT>        logger.fine("Commit Trigger: Got index: " + index.getSensorDataRef().size() + " instances");<a name="line.69"></a>
<FONT color="green">070</FONT>        if (index.getSensorDataRef().size() &lt;= 0) {<a name="line.70"></a>
<FONT color="green">071</FONT>          return false;<a name="line.71"></a>
<FONT color="green">072</FONT>        }<a name="line.72"></a>
<FONT color="green">073</FONT>        List&lt;SensorDataRef&gt; sensorDataRefList = index.getSensorDataRef();<a name="line.73"></a>
<FONT color="green">074</FONT>        SensorDataRef sensorDataRef = Collections.max(sensorDataRefList, <a name="line.74"></a>
<FONT color="green">075</FONT>                                                        new CompareSensorDataRefByDate());<a name="line.75"></a>
<FONT color="green">076</FONT>        SensorData data = client.getSensorData(sensorDataRef);<a name="line.76"></a>
<FONT color="green">077</FONT>        XMLGregorianCalendar timestamp = data.getTimestamp();<a name="line.77"></a>
<FONT color="green">078</FONT>        if (this.lastCommitTimestamp.compare(timestamp) == DatatypeConstants.LESSER) {<a name="line.78"></a>
<FONT color="green">079</FONT>          this.lastCommitTimestamp = timestamp;<a name="line.79"></a>
<FONT color="green">080</FONT>          logger.info("Commit Trigger: New commit is deteced.");<a name="line.80"></a>
<FONT color="green">081</FONT>          return true;<a name="line.81"></a>
<FONT color="green">082</FONT>        }<a name="line.82"></a>
<FONT color="green">083</FONT>        return false;<a name="line.83"></a>
<FONT color="green">084</FONT>      }<a name="line.84"></a>
<FONT color="green">085</FONT>    <a name="line.85"></a>
<FONT color="green">086</FONT>    }<a name="line.86"></a>




























































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